Availability
Valve Spring Kit, Dual Valve Springs, Chromoly Retainers, Locks, Seals, Chevy, LS, Kit
Part Number: TFS-2500286P
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, Retainers, Single Springs, Steel Retainers, Steel Locks, Single Groove, Kit
Part Number: TFS-2500100
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, Retainers, Track Heat®, Single Springs, Steel Retainers, Steel Locks, Single Groove, Kit
Part Number: TFS-2500200
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Beehive, 1.055 in./1.290 in. O.D., 313 lb./in. Rate, 1.140 in. Coil Bind, Set of 16
Part Number: TFS-16918-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.460 in. Outside Diameter, 438 lbs./in. Rate, 1.100 in. Coil Bind, Set of 16
Part Number: TFS-16315-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.525 in. Outside Diameter, 368 lbs./in. Rate, 1.110 in. Coil Bind, Set 16
Part Number: TFS-16911-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.550 in. Outside Diameter, 550 lbs./in. Rate, 1.068 in. Coil Bind, Set of 16
Part Number: TFS-16943-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.460 in. Outside Diameter, 391 lbs./in. Rate, 1.050 in. Coil Bind, Set of 16
Part Number: TFS-16893-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Twisted Wedge Valve Spring Upgrade, Steel Retainers, Steel Locks, 3-Groove, Ford, 4.6L/5.4L 2V, Kit
Part Number: TFS-2500500
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.550 in. Outside Diameter, 427 lbs./in. Rate, 1.190 in. Coil Bind, Set of 16
Part Number: TFS-16094-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.275 in. Outside Diameter, 450 lbs./in. Rate, 1.080 in. Coil Bind, Set of 16
Part Number: TFS-16306-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.437 in. Outside Diameter, 340 lbs./in. Rate, 1.150 in. Coil Bind, Set 16
Part Number: TFS-16942-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.476 in. Outside Diameter, 416 lbs./in. Rate, 1.167 in. Coil Bind, Set 16
Part Number: TFS-16926-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.560 in. Outside Diameter, 500 lbs./in. Rate, 1.100 in. Coil Bind, Set of 16
Part Number: TFS-16318-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.538 in. Outside Diameter, 436 lbs./in. Rate, 1.090 in. Coil Bind, Set of 16
Part Number: TFS-16929-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.555 in. Outside Diameter, 469 lbs./in. Rate, 1.150 in. Coil Bind, Set of 16
Part Number: TFS-16935-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.100 in. Outside Diameter, 233 lbs./in. Rate, .850 in. Coil Bind, Set of 16
Part Number: TFS-16521-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.650 in. Outside Diameter, 653 lbs./in. Rate, 1.040 in. Coil Bind, Set of 16
Part Number: TFS-16414-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.500 in. Outside Diameter, 376 lbs./in. Rate, 1.115 in. Coil Bind, Set 16
Part Number: TFS-16839-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.460 in. Outside Diameter, 307 lbs./in. Rate, 1.146 in. Coil Bind, Set 16
Part Number: TFS-16972-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, Dual, Nano Peened Double Platinum, 160 lbs. Seat Pressure. 425 lbs. Open at .670 Lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Set of 16
Part Number: TFS-16905P-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Single, 1.254 in. Outside Diameter, 422 lbs./in. Rate, 1.150 in. Coil Bind, Set 16
Part Number: TFS-16981-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Beehive, .930 in./1.025 in. O.D., 300 lbs./in. Rate, 1.060 in. Coil Bind, Set of 24
Part Number: TFS-15410-24
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Beehive, 1.454 in./1.264 in. O.D., 362 lb./in. Rate, 1.100 in. Coil Bind, Set of 16
Part Number: TFS-16982-16
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Valve Springs, PAC Racing, Dual, 1.540 in. Outside Diameter, 492 lbs./in. Rate, 1.130 in. Coil Bind, Set of 16
Part Number: TFS-16896-16
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
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